cifs: clean up set_cifs_acl interfaces

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 7f8e6c46d1165e902ba28c6daeebf7f5ec1354fb..1403b5d86a739d67725e0dc94db1bec593e5ddab 100644 (file)
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -612,57 +612,61 @@ static struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
        return pntsd;
 }
 
-/* Set an ACL on the server */
-static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
-                               struct inode *inode, const char *path)
+static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,
+               struct cifs_ntsd *pnntsd, u32 acllen)
 {
-       struct cifsFileInfo *open_file;
-       bool unlock_file = false;
-       int xid;
-       int rc = -EIO;
-       __u16 fid;
-       struct super_block *sb;
-       struct cifs_sb_info *cifs_sb;
+       int xid, rc;
 
-       cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
+       xid = GetXid();
+       rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
+       FreeXid(xid);
 
-       if (!inode)
-               return rc;
+       cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
+       return rc;
+}
 
-       sb = inode->i_sb;
-       if (sb == NULL)
-               return rc;
+static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
+               struct cifs_ntsd *pnntsd, u32 acllen)
+{
+       int oplock = 0;
+       int xid, rc;
+       __u16 fid;
 
-       cifs_sb = CIFS_SB(sb);
        xid = GetXid();
 
-       open_file = find_readable_file(CIFS_I(inode));
-       if (open_file) {
-               unlock_file = true;
-               fid = open_file->netfid;
-       } else {
-               int oplock = 0;
-               /* open file */
-               rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
-                               WRITE_DAC, 0, &fid, &oplock, NULL,
-                               cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
-                                       CIFS_MOUNT_MAP_SPECIAL_CHR);
-               if (rc != 0) {
-                       cERROR(1, ("Unable to open file to set ACL"));
-                       FreeXid(xid);
-                       return rc;
-               }
+       rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
+                        &fid, &oplock, NULL, cifs_sb->local_nls,
+                        cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+       if (rc) {
+               cERROR(1, ("Unable to open file to set ACL"));
+               goto out;
        }
 
        rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
        cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
-       if (unlock_file)
-               atomic_dec(&open_file->wrtPending);
-       else
-               CIFSSMBClose(xid, cifs_sb->tcon, fid);
 
+       CIFSSMBClose(xid, cifs_sb->tcon, fid);
+ out:
        FreeXid(xid);
+       return rc;
+}
 
+/* Set an ACL on the server */
+static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
+                               struct inode *inode, const char *path)
+{
+       struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+       struct cifsFileInfo *open_file;
+       int rc;
+
+       cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
+
+       open_file = find_readable_file(CIFS_I(inode));
+       if (!open_file)
+               return set_cifs_acl_by_path(cifs_sb, path, pnntsd, acllen);
+
+       rc = set_cifs_acl_by_fid(cifs_sb, open_file->netfid, pnntsd, acllen);
+       atomic_dec(&open_file->wrtPending);
        return rc;
 }